Hajoale, palo ea tšebeliso ea polyethylene naheng ea heso e kholo, 'me ho aroloa ha mefuta e tlase ho rarahane ebile ho rekisoa haholo ho baetsi ba lihlahisoa tsa polasetiki.Ke ea sehlahisoa sa ho qetela ho indasteri e tlase ea ethylene.Ha mmoho le phello ea khatello ea tikoloho ea tšebeliso ea lehae, lekhalo la phepelo ea tikoloho le tlhokeho ha li leka-lekane.
Ka katoloso e matla ea tlhahiso ea lik'hamphani tsa naha ea heso tsa tlhahiso ea polyethylene holimo lilemong tsa morao tjena, lehlakore la phepelo le eketsehile haholo.Ka nako e ts'oanang, ka lebaka la ntlafatso e tsoelang pele ea tlhahiso ea baahi le maemo a bophelo, tlhokahalo ea bona e ntse e eketseha butle-butle lilemong tsa morao tjena.Leha ho le joalo, ho tloha halofo ea bobeli ea 2021, maemo a machaba e bile a bolotsana le a fetohang.Ho ata ha seoa sena le lintoa tsa lehae li lebisitse ho se leka-lekaneng tsamaisong ea machaba ea lichelete tsa eneji.putlama.Ho se tsitse ho ntseng ho eketseha moruong o moholo ho entse hore maikutlo a tšebeliso ea baahi a be hlokolosi.Tlas'a boemo ba hona joale, likotsi le mathata a tobaneng le nts'etsopele ea lihlahisoa tsa polyethylene le tsona li matla haholo.
Palo ea baahi le nts'etsopele ea moruo e khetholla kabo ea tšebeliso ea PE.Ho ea ka pono ea libaka tse sebelisoang ka tlaase ho noka, Chaena Bochabela, Chaena Boroa le Chaena Leboea ke libaka tse ka sehloohong tsa tšebeliso ea polyethylene naheng ea heso, 'me e tla lula e le tse tharo tse phahameng ka ho fetisisa mabapi le tšebeliso ea nako e telele e tlang.Leha ho le joalo, ka tlhahiso e tsoelang pele ea lisebelisoa tse ncha tsa tlhahiso nakong e tlang, ho lebeletsoe hore lekhalo la tšebeliso libakeng tse tharo tse kholo tsa tšebeliso le tla fokotseha ho isa tekanyong e itseng.Ho lebelletsoe hore sena se tla ama phepelo ea nako e tlang ea phepelo le tlhokahalo le phallo ea thepa ea lihlahisoa libakeng tse kholo.Hape ke habohlokoa ho bolela hore le hoja karolo ea tlhokahalo e ka tlaase ho metsi sebakeng se ka bophirimela e nyenyane ho feta ea Chaena Bochabela, Chaena Boroa le Chaena Leboea, e tsamaisoang ke maano a lehae a kang "Lebanta le le leng, Tsela e le 'ngoe" le "Ntšetso-pele ea Bophirimela", tšebeliso e tlaase ea polyethylene sebakeng se ka bophirimela e tla eketseha nakong e tlang.Ho na le tebello ea keketseho, haholo-holo bakeng sa lihlahisoa tsa tlhokahalo ea meralo e etelletsoeng pele ke liphaephe, 'me tlhokahalo ea ho bopa ente le lihlahisoa tsa ho bopa ka potoloho tse tlisoang ke ntlafatso e tsoelang pele ea boleng ba bophelo e hlakile haholoanyane.
Joale, mabapi le mefuta e sa tšoaneng ea tšebeliso e tlaase nakong e tlang, ke litebello tsa mofuta ofe tsa tsoelo-pele tseo mefuta e meholo ea tlhokahalo ea polyethylene e tla ba le eona?
Hajoale, tšebeliso e kholo ea polyethylene naheng ea heso e kenyelletsa filimi, ho bopa ente, phala, sekoti, ho taka terata, thapo, metallocene, ho roala le mefuta e meng e meholo.
Ea pele ea ho jara boima, karolo e kholo ka ho fetisisa ea tšebeliso e tlase ea noka ke filimi.Bakeng sa indasteri ea lihlahisoa tsa lifilimi, tse ka sehloohong ke filimi ea temo, filimi ea indasteri le filimi ea ho paka lihlahisoa.Leha ho le joalo, lilemong tsa morao tjena, lintho tse kang lithibelo mekotleng ea polasetiki le ho fokotseha khafetsa ha tlhokahalo ka lebaka la seoa sena li ’nile tsa ba tšoenya khafetsa, ’me ba tobane le boemo bo hlabisang lihlong.Tlhokahalo ea lihlahisoa tsa lifilimi tsa polasetiki tse lahloang butle-butle e tla nkeloa sebaka ke botumo ba lipolasetiki tse senyehang.Baetsi ba lifilimi ba bangata le bona ba tobane le boqapi ba theknoloji ea indasteri, 'me butle-butle ba ntse ba tsoela pele ho leba lifiliming tsa indasteri tse ka sebelisoang hape tse nang le boleng bo matla le ts'ebetso e matla.Leha ho le joalo, ka lebaka la ho senyeha ha lifilimi tsa polasetiki tse senyehang, ho na le litlhoko tse matla tsa ho paka ka ntle, kapa tlhokahalo ea lifilimi tsa ka ntle tsa ho paka tse lokelang ho bolokoa nako e telele ho feta nako ea ho senyeha, 'me lifilimi tsa indasteri le masimo a mang a ntse a sa khonehe, kahoo lihlahisoa tsa lifilimi li ntse li tla sebelisoa.E bile teng e le sehlahisoa se seholo sa polyethylene ka nako e telele, empa ho ka 'na ha e-ba le ho fokotseha ha kholo ea tšebeliso le ho fokotseha ha tekanyo.
Ntle le moo, liindasteri tse kang ho etsa ente, liphaephe le mekoti tse amanang haufi-ufi le tlhahiso le bophelo e ntse e tla ba tsona lihlahisoa tsa mantlha tsa bareki lilemong tse 'maloa tse tlang,' me li ntse li tla laoloa ke meaho, litlhoko tsa letsatsi le letsatsi le sechaba. lisebelisoa le lisebelisoa.Mokhoa oa boipheliso oa batho o amahanngoa le thepa e tšoarellang nako e telele, 'me tlhokahalo ea ho senyeha ha lihlahisoa ea fokotseha.Hajoale, bothata bo boholo bo tobaneng le liindasteri tse kaholimo ke hore sekhahla sa kholo ea thekiso ea matlo le meaho se theohile lilemong tsa morao tjena.Ka lebaka la lintlha tse joalo ka maikutlo a fosahetseng mabapi le maikutlo a tšebeliso ea baahi a tlisoang ke mafu a seoa khafetsa, nts'etsopele ea indasteri ea lihlahisoa e tobane le khanyetso e itseng ea kholo.Ka hona, phetoho ea karolo ea nako e khutšoanyane e batla e lekanyelitsoe, 'me ha e amehe haholo ke lihlahisoa tsa ho senyeha.Indasteri ea lipeipi e na le monyetla oa ho angoa ke maano, athe ho bopa ha ente le lihlahisoa tse se nang letho li angoa haholo ke maikutlo a tšebeliso ea baahi, 'me sekhahla sa kholo se tla fokotseha nakong e tlang.kgoneha.
Ka tsoelo-pele e tsoelang pele ea mahlale le thekenoloji, tlhahiso ea motho ka mong le ea botho ea lihlahisoa tsa polasetiki, hammoho le tlhahiso ea boleng ba sehlahisoa le litlhoko tsa tlhahiso e hlophisitsoeng le tsona li ntse li tsoela pele.Ka hona, nakong e tlang, indasteri ea lihlahisoa tsa polasetiki e tla eketsa tlhokahalo ea lisebelisoa tse ling tse ntlafatsang ts'ebetso ea lihlahisoa tsa polasetiki, tse kang metallocenes, polasetiki ea rolling, thepa ea ho roala le lihlahisoa tse ling tse phahameng tsa boleng bo phahameng kapa lihlahisoa tse nang le litlhoko tse ikhethang masimong a khethehileng. .Ntle le moo, ka lebaka la tlhahiso e matla ea likhoebo tsa tlhahiso ea polyethylene lilemong tsa morao tjena, e bakileng ho senyeha ho hoholo ha sehlahisoa, mme likhohlano lipakeng tsa Russia le Ukraine nakong ea selemo li ile tsa baka litheko tse phahameng tsa oli ho nyolla phaello e tlase ea ethylene, le ho phahama ha theko. 'me phepelo e ile ea fella ka homogeneity e tebileng ea sehlahisoa.Tlas'a boemo ba hona joale, Baetsi ba polyethylene ba ntse ba sebetsa ka thata ho hlahisa lihlahisoa tse phahameng tsa boleng bo kang metallocenes, ho bōptjoa ha rotational, le ho roala, ho latela tsoelo-pele ea liindasteri tse tlaase.Ka hona, sekhahla sa kholo ea lihlahisoa se ka eketseha ho isa bohōleng bo itseng nakong e tlang.
Ho phaella moo, ha lefu la seoa le ntse le tsoela pele ka makhetlo a mangata, hammoho le lipatlisiso le nts'etsopele ea lihlahisoa tse ncha ka bahlahisi, likhoele tsa polyethylene, lihlahisoa tse khethehileng tsa meriana le tšireletso li boetse li lateloa butle-butle le ho ntlafatsoa, 'me tlhokahalo ea nakong e tlang e tla boela e eketsehe butle-butle.
Nako ea poso: Dec-06-2022